((You're exploring the underground of Gensokyo. Going deep enough, you could feel the environment getting warmer and warmer. Without doubt, you are currently somewhere in the former Hell of Blazing Fires.))

Ignoring how it keeps getting hotter, you keep trotting down. Without warning, something blows up ahead, as a girl flies down in front of you. She point an arm cannon at you without hesitation, and speaks. — An enemy! ...Actually, you look kind of weak. I'm Okuu, who are ya?